Turnover was 835 million rupees, according to stock exchange provisional figures.
Index heavyweight John Keells Holdings closed at 169.30 rupees, down 70 cents while Commercial Bank ended at 104.70, down 70 cents.
Acme Printing & Packaging was actively traded, closing at 29.70 rupees, up 3.30 rupees with 5.98 million shares changing hands.
Panasian Power was also heavily traded, closing at 3.70 rupees, down 10 cents.
Asia Asset Finance fell 10 cents to close at 6.60 rupees with 1.56 million shares done.